2.66×10=
We need to multiply the number 2.66 by 10. To do this, follow these steps:
- Step 1: Identify the initial decimal number: 2.66.
- Step 2: Understand that multiplying by 10 involves moving the decimal point one place to the right.
- Step 3: Shift the decimal point of 2.66 from its original position between 2 and 6 to between 6 and 6, which gives us 26.6.
Therefore, after multiplying 2.66 by 10, the result is 26.6.
The correct answer, based on the available choices, is: 26.6.